[1] Univ Michigan, Sch Med, Dept Otolaryngol Head & Neck Surg, Ann Arbor, MI USA
[2] Indiana Univ Sch Med, Dept Otolaryngol Head & Neck Surg, Indianapolis, IN USA
[3] Indiana Univ Sch Med, Dept Neurosurg, Indianapolis, IN USA
[4] Stanford Univ, Sch Med, Dept Otolaryngol Head & Neck Surg, Stanford, CA USA
[5] Louisiana State Univ, Dept Otolaryngol Head & Neck Surg, Hlth Sci Ctr, Feist Weiller Canc Ctr, Shreveport, LA USA
[6] UCLA, Med Ctr, Head & Neck Canc Program, Dept Head & Neck Surg,David Geffen Sch Med,Jonsso, Los Angeles, CA USA
[7] Duke Univ, Sch Med, Dept Head & Neck Surg & Commun Sci, Durham, NC USA